bisecting fixing commit since 313e82bbefb3d1d926858b58092f5d50f41d924d
building syzkaller on 8f5a7b8cde529e0a19a53f79bdf9c6cad306827b
testing commit 313e82bbefb3d1d926858b58092f5d50f41d924d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f38cd0ab898801a2ed79524a5300acaeb8906b84cea7b015afde2f50c9563e12
all runs: crashed: unregister_netdevice: waiting for DEV to become free
testing current HEAD 756db2ba8bde4ead58ceb54e9cbc71f526f9a98f
testing commit 756db2ba8bde4ead58ceb54e9cbc71f526f9a98f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f96f78f60cd87492f9c424d384b0d1436b70e179cadd1942fd3467c47e0612c9
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m15.72855248s (build: 20m29.856996306s, test: 6m22.2956312s)
the crash still happens on HEAD
commit msg: Linux 4.14.249
crash: unregister_netdevice: waiting for DEV to become free
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout